This is an amazing anime, with a classic hidden op mc, although the viewers know he is amazing, everyone he comes across has no idea of his talent.
heres some details.
In the multiplayer online game Glory, Ye Xiu is well known as the textbook level expert and a top-tier player. Due to a series of circumstances he was forcefully expelled out of his professional team. After leaving the pro gaming scene he resides at an Internet Café employed as one of the managers. When Glory launches the tenth server he throws himself into the game once more. Equipped with ten years of gaming experience, memories of the past, and an incomplete self-made weapon. His journey back to the top begins.